Pipes and tubular conduits – With closures and plugs – Inflation stem type
Patent
1993-06-21
1995-01-24
Bryant, III, James E.
Pipes and tubular conduits
With closures and plugs
Inflation stem type
138 96T, 137296, F16L 5510, E03B 906
Patent
active
053834950
ABSTRACT:
A security hydrant cap having a domed body adapted to be removed only with a specialized tool, and a slip ring surrounding substantially all of the body and mounted thereto so as to be free to rotate about the body. The slip ring and, preferably, the body are formed of stainless steel. Preferably, the slip ring and body are made of a 400 series stainless steel, heat treated to a Rockwell "C" hardness of approximately 43-47.
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Bryant III James E.
Penn Troy Machine Co., Inc.
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